DemoFor public education only. These blocks are built by PisoScan from published PhilGEPS records to show how a budget ledger like CADENA would work. No government agency created or signed them, and this is not an official ledger. How it works

Transaction details

API

Transaction action

CITY OF LEGASPI, ALBAY Award a ₱246.2K contract to LANUZO'S CONSTRUCTION AND SUPPLYCities

Transaction hash:

9a28b4e370f8f3e4bf73532aaad1cd024f5d0811610f2a5d88afd38d97436d78

Status:

Included and unchanged

Block:

#819 5,194 blocks after it

Position in block:

Transaction 40 of 54

Award day:

Mar 10, 2010 (16 yrs 8 mo ago)

From:

CITY OF LEGASPI, ALBAY

To:

LANUZO'S CONSTRUCTION AND SUPPLY

Value:

₱246,187.05

Project:

(small value procurement) Furnishing of Labor, Materials and Equipment for the Proposed Concrete Paving of Solar Drier Access Road at Caridad

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

CITY OF LEGASPI, ALBAY

Accountable officer:

Not stated in the source. PhilGEPS does not publish who certified the award.

Certification:

Not certified No agency signed this record. Under CADENA the accountable officer would sign it with their own key.

Demo signature:

Block #819 signature valid Demo key, proves nothing about the governmentPublic key

Linked records: from budget to payment

Bill Sec. 5

1. Appropriation
GAA line item · Sec. 5(b)
The award does not say which budget line pays for it.
Not published
2. Allotment release
SARO / allotment · Sec. 5(c)(iii)
Not published per project. DBM releases SAROs, but not linked to individual contracts.
Not published
3. Cash allocation
Notice of Cash Allocation · Sec. 5(c)(iv)
Not published per project.
Not published
4. Contract award
Notice of Award (PhilGEPS) · Sec. 5(d)
CITY OF LEGASPI, ALBAY awarded it to LANUZO'S CONSTRUCTION AND SUPPLY on 2010-03-10.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
No matching DPWH contract record (only DPWH contracts are listed with progress).
Not published
6. Payment
Disbursement voucher · Sec. 5(c)(viii)
Not published. No public source shows how much of this contract has been paid.
Not published
7. Completion
Certificate of completion · Sec. 5(d)
No completion certificate published.
Not published
8. Audit
COA annual audit report · Sec. 5(e)(iii)
No COA finding linked to this contract.
Not published

1 of 8 documents found, 0 partly. Under CADENA every step would be published within 7 working days and linked to this record.

Tamper test: try changing this record

Demo

Edit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.

Contract amount (₱)

1. Record fingerprint changed
stored 9a28b4e370…436d78now …
2. Block Merkle root changed
stored 407da682c0…74b410now …
3. Block #819 hash changed
stored d7badc52f0…1f8653now …

Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (6 steps)

How this one record is tied to the block's Merkle root, without needing the other 53 records. Each step hashes the current value together with the sibling shown.

leaf 9a28b4e370f8f3e4bf73532aaad1cd024f5d0811610f2a5d88afd38d97436d78
01 R a05f9413f18cb2028dfca8b04559d0a449d651a13586cbfa0788a13c53e06c27
02 R 1d9ffed4d2f836438f8364cfeef7c0510e58be0b7820c719d552362478e7cbb0
03 R 3e2e97f19f91421b7a14d844c7d19f5f69d5d7b79cba3272f97092eccaf9525b
04 L f76329321f6658d3960addcced3d2b58c17efc0fc800f955a5f6ea424ac6e5aa
05 R 2414d60877d6ef0b29189707d856d0ec35cf531489f1d3084478069d06b50935
06 L 98080dd144805e2fd3dc04449ffc4c2837d974dbe2248298544fc98ecca6f6a9
root 407da682c0ec7a70fc328b3aae524885b1a9702ffa32a0e592f8220a7074b410